Home / 94,074.76-129,823-53,789.28

Finding the Fourth Proportional to 94,074.76, 129,823 and 53,789.28

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Solution

The fourth proportional to 94,074.76, 129,823 and 53,789.28 is: 74,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,074.76 : 129,823 = 53,789.28 : x
  2. Step 2: Convert to fraction form
    94,074.76/129,823 = 53,789.28/x
  3. Step 3: Cross multiply
    94,074.76x = 129,823 × 53,789.28
  4. Step 4: Simplify right side
    94,074.76x = 6,983,085,697.44
  5. Step 5: Solve for x
    x = 6,983,085,697.44/94,074.76
  6. Step 6: Final answer
    x = 74,229.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.